Analysis

  • max time kernel
    127s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 10:13

General

  • Target

    07d61da8b4ea502effb49cf3b91d5d8c7be4341bda375ef09a86bf35c92df0ec.exe

  • Size

    89KB

  • MD5

    99d033d5db066b28d53f7ebed3175cc9

  • SHA1

    908f28284736db9f7f21545fdbd6520f40e8cd2a

  • SHA256

    07d61da8b4ea502effb49cf3b91d5d8c7be4341bda375ef09a86bf35c92df0ec

  • SHA512

    7f7f92919d3606aec37f69e0096a3966dc49431559c1e4ba550f8f94a27f18410f9061bea21a9443d07e8b2d9457b0b733e210ebf4639e69208a5cc7c0c8696b

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07d61da8b4ea502effb49cf3b91d5d8c7be4341bda375ef09a86bf35c92df0ec.exe
    "C:\Users\Admin\AppData\Local\Temp\07d61da8b4ea502effb49cf3b91d5d8c7be4341bda375ef09a86bf35c92df0ec.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07d61da8b4ea502effb49cf3b91d5d8c7be4341bda375ef09a86bf35c92df0ec.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    f7d499c6594b578b4e4341b5d6b8d958

    SHA1

    a7ae81626cf8f5c6614f279b5fa05d3480c25b92

    SHA256

    ab3e144eb7d5ecccb404a15d676b8f3d20e80c7e34a2734b1dc320f3d4a8357b

    SHA512

    557bc506302ff9cb548c3f962a9927296ab3d76d908199a757683ad1733a614a45b608e53e3e58c0ab178b258e34cef8e1a76f507282acd9b0e5e51f7eb401f2

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    f7d499c6594b578b4e4341b5d6b8d958

    SHA1

    a7ae81626cf8f5c6614f279b5fa05d3480c25b92

    SHA256

    ab3e144eb7d5ecccb404a15d676b8f3d20e80c7e34a2734b1dc320f3d4a8357b

    SHA512

    557bc506302ff9cb548c3f962a9927296ab3d76d908199a757683ad1733a614a45b608e53e3e58c0ab178b258e34cef8e1a76f507282acd9b0e5e51f7eb401f2

  • memory/1744-54-0x0000000075761000-0x0000000075763000-memory.dmp
    Filesize

    8KB